Transportable hydraulic seismic transducer

Details Transportable hydraulic seismic transducer Transportable hydraulic seismic transducer

1986-02-18

1987-07-28

Kyle, Deborah L.

Acoustics

Geophysical or subsurface exploration

Seismic wave generation

367189, 92170, 92171, G01V 109, H04R 1100

Patent

active

046826696

ABSTRACT:
A transportable hydraulic seismic transducer has a seismic energy source connected to a pad for imparting elastic waves to the underlying ground. The energy source has a reaction mass with a single diameter cylinder formed therein, a double ended piston reciprocally mounted in the cylinder with a piston rod extending from opposite ends of the piston and a pair of bushings fitted within the cylinder at opposite ends to provide bearing surfaces for the opposite ends of the piston rod. A piston may be ringed and a liner fitted into place within the cylinder with the rings forming a seal with the liner. The piston may also be ringless and a liner made of a bushing material fitted within the cylinder so that between the piston and the liner, an adequate seal is provided. The use of the single diameter cylinder or bore permits the total machining of inserted parts such as the bushings and liners to be done before inserting in the reaction mass bore.

REFERENCES:
patent: 3306301 (1967-02-01), Bays
patent: 3929206 (1975-12-01), Bedenbender et al.
patent: 3979715 (1976-09-01), Hufstedler et al.
patent: 4388981 (1983-06-01), Fair
patent: 4450928 (1984-05-01), Weber et al.

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